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Re: [Qemu-devel] [PATCH] ipmi: do not take/drop iothread lock
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH] ipmi: do not take/drop iothread lock |
Date: |
Tue, 26 Jan 2016 19:00:28 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.0 |
On 26/01/2016 18:57, Corey Minyard wrote:
> On 01/26/2016 10:21 AM, Michael S. Tsirkin wrote:
>> On Tue, Jan 26, 2016 at 05:15:53PM +0100, Paolo Bonzini wrote:
>>> This is not necessary and actually causes a hang; it was probably copied
>>> and pasted from KVM code, that is one of the very few places that run
>>> outside iothread lock.
>>>
>>> Signed-off-by: Paolo Bonzini <address@hidden>
>> Makes sense. I wonder how hard would it be to have a test to catch this.
>
> The IPMI side would be easy for me, but I don't know how to handle
> catching the NMI.
I'm afraid there's no way to trap an NMI from qtest.
Paolo